Finding the Fourth Proportional to 2,254.62, 3,111.41 and 1,259.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.62 : 3,111.41 = 1,259.99 : x
2. Step 2: Convert to fraction form
   2,254.62/3,111.41 = 1,259.99/x
3. Step 3: Cross multiply
   2,254.62x = 3,111.41 × 1,259.99
4. Step 4: Simplify right side
   2,254.62x = 3,920,323.63
5. Step 5: Solve for x
   x = 3,920,323.63/2,254.62
6. Step 6: Final answer
   x = 1,738.80